*SUPPORT*
IN: dax dax dax OUT: GREEN GREEN GREEN
IN: dax fep blicket blicket OUT: GREEN BLUE GREEN BLUE GREEN BLUE GREEN BLUE
IN: dax OUT: GREEN
IN: fep tufa dax OUT: GREEN GREEN BLUE BLUE
IN: gazzer lug OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup blicket OUT: PURPLE PURPLE
IN: dax blicket OUT: GREEN GREEN
IN: gazzer OUT: YELLOW
IN: zup fep lug OUT: PURPLE BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer zup tufa fep OUT: BLUE BLUE YELLOW PURPLE YELLOW PURPLE
IN: zup tufa gazzer OUT: YELLOW YELLOW PURPLE PURPLE
IN: dax lug OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: zup zup gazzer tufa gazzer OUT: YELLOW YELLOW PURPLE PURPLE YELLOW PURPLE PURPLE YELLOW

*QUERY*
IN: fep OUT: BLUE
IN: fep fep tufa dax OUT: GREEN GREEN BLUE BLUE BLUE BLUE
IN: zup gazzer lug OUT: PURPLE YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup fep gazzer OUT: PURPLE BLUE YELLOW
IN: dax fep lug OUT: GREEN BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep blicket OUT: BLUE BLUE
IN: fep fep OUT: BLUE BLUE
IN: dax zup dax tufa fep OUT: BLUE BLUE GREEN PURPLE GREEN GREEN PURPLE GREEN
IN: zup OUT: PURPLE

*GRAMMAR*
zup -> PURPLE 
 fep -> BLUE 
 gazzer -> YELLOW 
 dax -> GREEN 
 x1 tufa u1 -> [u1] [u1] [x1] [x1] 
 u1 lug -> [u1] [u1] [u1] [u1] [u1] [u1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 